How fast is 263.6 knots?
It's about four-and-a-half times as fast as a Cheetah
The speed of a Cheetah is about 59.660 knots.
(Acinonyx jubatus)
The cheetah can reach speeds of up to 59.670 knots in short bursts. From a crouching position, the cheetah can attain these speeds in just 2.25 seconds.
It's about four-and-a-half times as fast as a Knuckleball (baseball)
The speed of a Knuckleball (baseball) is about 58 knots.
(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 59 knots. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906.
It's about one-fifth as fast as a Jet Fighter
The speed of a Jet Fighter is about 1,300 knots.
(for Lockheed Martin F-16, a.k.a. Fighting Falcon, a.k.a. Viper) (maximum speed at altitude)
An F-16's maximum speed at altitude is approximately 1,300 knots. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about seven times as fast as a Greyhound
The speed of a Greyhound is about 39.10 knots.
(a.k.a. English greyhound) (approximate maximum speed)
Greyhounds reach average race speeds of 39.10 knots. 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-tenth as fast as a Bullet (Rifle)
The speed of a Bullet (Rifle) is about 1,780 knots.
(5.56 x 45 mm, a.k.a. 5.56 NATO)
A 5.56 x 45 mm cartridge is fired at a velocity of 1,780 knots. As the NATO rifle cartridge, it is used by the military forces of more than thirty-one countries, including use in the M16 series, M4 Carbine, HK-416, and M249 Squad automatic weapons used by the United States armed forces.
It's about seven times as fast as a Gazelle
The speed of a Gazelle is about 40 knots.
(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 40 knots. 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 seven times as fast as a Hare
The speed of a Hare is about 40 knots.
(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 40 knots. 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 eight times as fast as Secretariat
The speed of Secretariat is about 32.70 knots.
(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 32.60 knots in 1973. His margin of victory in the race, also a record-setter, was 31 lengths.
It's about thirteen times as fast as Michael Johnson
The speed of Michael Johnson is about 20.120 knots.
(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 20.120 knots 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 thirteen times as fast as Usain Bolt
The speed of Usain Bolt is about 20 knots.
(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 20.10 knots 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 fourteen-and-a-half times as fast as Flo-Jo
The speed of Flo-Jo is about 18.220 knots.
(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 18.220 knots. Known as a 200 m runner, Joyner also set a record time in a 100 m race at in 1987.
It's about eighteen times as fast as Noah Ngeny
The speed of Noah Ngeny is about 14.730 knots.
(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 14.730 knots. According to some reports, Ngeny did not begin running competitively until just three years before setting the record.
It's about twenty times as fast as a Bull
The speed of a Bull is about 13 knots.
(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 13 knots. The Encierro is run annually from July 7th through July 14th and involves 42 bulls, 77 oxen, and an estimated 17,000 runners over the course of the event.
It's about 50 times as fast as a Crocodile
The speed of a Crocodile is about 5.20 knots.
(American Crocodile, Crocodylus acutus) (swimming speed)
An American crocodile can reach speeds in the water of up to 5.40 knots. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 11 knots.
It's about one-fifty-fifth as fast as The Space Shuttle
The speed of The Space Shuttle is about 15,052 knots.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 15,052 knots. During liftoff, the space shuttle accelerates to orbital speed in 8.5 minutes, consuming over 1.59 million kg (3.51 million lbs) of propellant in the process.