# How fast is 393 inches per hour?

It's about one-twenty-fifth as fast as a Sloth

The speed of a Sloth is about 9,500 inches per hour.

(for Brown-throated three-toed sloth,

*Bradypus variegatus*)The three-toed sloth moves along the ground at an average speed of 9,400 inches per hour. Long thought to be lengthy sleepers, a 2008 study concluded that sloths sleep an average of only 9.6 hours per day.

It's about one-one-hundred-fiftieth as fast as an Iceberg

The speed of an Iceberg is about 70,000 inches per hour.

(a.k.a. Berg) (Newfoundland iceberg average)

Moved by ocean currents and wind, icebergs can drift at speeds of about 70,000 inches per hour. The largest iceberg ever recorded was a found near Baffin Island, Nunavut and was estimated to be nine billion metric tons.

It's about one-five-hundredth as fast as Walking Pedestrians (in Manhattan)

The speed of Walking Pedestrians (in Manhattan) is about 180,000 inches per hour.

(Manhattan; average speed; 8,978 person-sample)

A 2006 Study by the New York City Department of City Planning found that pedestrians in that city walk at an average rate of 180,000 inches per hour. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 200,000 inches per hour

It's about one-seven-hundredth as fast as Michael Phelps

The speed of Michael Phelps is about 275,310 inches per hour.

(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)

Setting a world record, Michael Phelps swam the 200 m freestyle in 1:42.96 for an average speed of 275,310 inches per hour. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.

It's about one-one-thousandth as fast as a Crocodile

The speed of a Crocodile is about 380,000 inches per hour.

(American Crocodile,

*Crocodylus acutus*) (swimming speed)An American crocodile can reach speeds in the water of up to 390,000 inches per hour. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 790,000 inches per hour.

It's about one-two-thousand-five-hundredth as fast as a Bull

The speed of a Bull is about 950,000 inches per hour.

(for animals involved in the Running of the Bulls, a.k.a.

*Encierro*, San Fermin, Pamplona, Spain) (herd average speed)The herd of the annual

*Encierro*in Pamplona, Spain runs at an average speed of 940,000 inches per hour. The Encierro is run annually from July 7^{th}through July 14^{th}and involves 42 bulls, 77 oxen, and an estimated 17,000 runners over the course of the event.It's about one-two-thousand-five-hundredth as fast as Noah Ngeny

The speed of Noah Ngeny is about 1,074,000 inches per hour.

(in Rieti, Italy; 1999) (sprinter; 1978-)

Setting a world record at the Rieti Grand Prix in 1999, Noah Ngeny ran 1,000 m in 2:11.96 for an average speed of 1,074,000 inches per hour. According to some reports, Ngeny did not begin running competitively until just three years before setting the record.

It's about one-three-thousand-five-hundredth as fast as Flo-Jo

The speed of Flo-Jo is about 1,328,000 inches per hour.

(at the Seoul Olympics, 1998) (a.k.a. Florence Griffith-Joyner, a.k.a. Florence Delorez Griffith) (swimmer; 1959-1998)

Setting a world record in 1988, Flo-Jo ran a 200 m in 0:21.34 for an average speed of 1,328,000 inches per hour. Known as a 200 m runner, Joyner also set a record time in a 100 m race at in 1987.

It's about one-three-thousand-five-hundredth as fast as Usain Bolt

The speed of Usain Bolt is about 1,460,000 inches per hour.

(at the Beijing Olympics, 2008) (a.k.a. Usain St. Leo Bolt, OJ, C.D.) (sprinter; 1986-)

Setting a world record, Usain Bolt ran a 100 m in 0:09.69 for an average speed of 1,460,000 inches per hour at the 2008 Olympics. Furthermore, Bolt's margin of record breaking — 0.03 s — is the largest margin of victory in the history of digital measurements.

It's about one-three-thousand-five-hundredth as fast as Michael Johnson

The speed of Michael Johnson is about 1,467,000 inches per hour.

(a.k.a. Michael Duane Johnson) (sprinter; 1967-) (at the Atlanta Olympics, 1996)

Setting a record that stood for 12 years, Michael Johnson ran a 200 m in 0:19.32 for an average speed of 1,467,000 inches per hour at the 1996 Olympics. Johnson was nicknamed "the Man with the Golden shoes" in recognition of the custom footwear worn during these races — a pair of Nikes with a left size of 10.5 and a right size of 11.

It's about one-six-thousandth as fast as Secretariat

The speed of Secretariat is about 2,380,000 inches per hour.

(at Belmont Stakes, 1973)

Setting a record finish, Secretariat ran the Belmont Stakes — a 12 furlong race length — in 2:24, for an average speed of 2,380,000 inches per hour in 1973. His margin of victory in the race, also a record-setter, was 31 lengths.

It's about one-seven-thousandth as fast as a Greyhound

The speed of a Greyhound is about 2,850,000 inches per hour.

(a.k.a. English greyhound) (approximate maximum speed)

Greyhounds reach average race speeds of 2,850,000 inches per hour. Despite their racing prowess, greyhounds are not considered energetic dogs — the typical greyhound race requires the dogs to run for less than 35 seconds.

It's about one-ten-thousandth as fast as a Gazelle

The speed of a Gazelle is about 3,000,000 inches per hour.

(for Thomson's Gazelle, a.k.a.

*Eudorcas thomsoni*, a.k.a. "Tommie", a.k.a. "Tommy")A Thomson's gazelle can reach speeds of up to 3,000,000 inches per hour. The gazelle's speed doesn't match that of its chief predator, the cheetah, but a gazelle's endurance usually ensures an escape in distances greater than 500 m (0.3 mi).

It's about one-ten-thousandth as fast as a Hare

The speed of a Hare is about 3,000,000 inches per hour.

(for European Brown Hare, a.k.a. Brown Hare, a.k.a.

*Lepus europaeus*, a.k.a. Brown Hare)The European Hare can run at speeds of up to 3,000,000 inches per hour. While speed is a factor in their escapes, hares evade their chief predators — wolves, foxes, and golden eagles — by fleeing in a zigzag pattern.

It's about one-ten-thousandth as fast as a Knuckleball (baseball)

The speed of a Knuckleball (baseball) is about 4,300,000 inches per hour.

(a.k.a. knuckler, a.k.a. floater, a.k.a. dancer, a.k.a. butterfly ball) (major league average)

The average speed of major league knuckleball pitch is 4,300,000 inches per hour. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906.