# How fast is 100 miles per hour?

It's about one-and-one-tenth times as fast as a Fastball (baseball)
The speed of a Fastball (baseball) is about 92 miles per hour.
(a.k.a. rising fastball, a.k.a. cross-seam fastball, a.k.a. heater, a.k.a. hummer, a.k.a. smoker; for four-seam grip) (major league average)
The average speed of major league fastball pitch is 93 miles per hour. When up against the quickest professional fastball pitchers, a batter may have less than 0.4 seconds to react to a pitched ball.
It's about four-fifths as fast as a Skydiver (belly-to-earth)
The speed of a Skydiver (belly-to-earth) is about 120 miles per hour.
(Belly-to-Earth orientation, average conditions, terminal velocity)
A belly-to-Earth oriented skydiver's terminal velocity is about 120 miles per hour. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 60 seconds.
(EF2) (wind speed range average)
According to the Enhanced Fujita scale implemented by the US National Oceanographic and Atmospheric Administration, a "significant" tornado has an Enhanced Funjita scale classification of EF2 and is characterized by wind gust speeds between 110 miles per hour and 137 miles per hour. The largest recorded tornado — an F4 event occurring in Nebraska in May, 2004 — was almost 4.02 km (2.5 mi) across.
It's about one-and-three-tenths times as fast as a Curveball (baseball)
The speed of a Curveball (baseball) is about 76 miles per hour.
(a.k.a. hook, a.k.a. hammer, a.k.a. yakker) (major league average)
The average speed of major league curveball pitch is 75 miles per hour. In the 1940's, debate over whether there really was a curve in the curveball pitch was settled with the conclusion that the ball does curve; however, an optical illusion caused by the spin of the ball and the batter's perception of motion exaggerates the extent of the curve.
It's about one-and-one-third times as fast as a Hurricane
The speed of a Hurricane is about 74 miles per hour.
(formally: Topical cyclone; a.k.a. typhoon)
A hurricane is defined by the US National Hurricane Center as a Northern Hemisphere tropical storm having one-minute average wind-speeds of at least 73.90 miles per hour. Typhoons Tip (October, 1979) and Keith (October, 1997) and Hurricanes Camille (August, 1969) and Allen (August, 1980) jointly hold the record for highest tropical storm wind speeds at 193 miles per hour.
It's about one-and-a-half times as fast as a Cheetah
The speed of a Cheetah is about 68.650 miles per hour.
(Acinonyx jubatus)
The cheetah can reach speeds of up to 68.660 miles per hour in short bursts. From a crouching position, the cheetah can attain these speeds in just 2.25 seconds.
It's about one-and-a-half times as fast as a Knuckleball (baseball)
The speed of a Knuckleball (baseball) is about 67 miles 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 68 miles per hour. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906.
The speed of a Skydiver (headfirst) is about 160 miles per hour.
(Head-to-Earth orientation or standing, average conditions, terminal velocity)
A head-to-Earth or standing-oriented skydiver's terminal velocity assuming average conditions is about 160 miles per hour. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 46 seconds.
It's about three-fifths as fast as a Helicopter
The speed of a Helicopter is about 176 miles per hour.
(for AH-64A Apache, a.k.a. Hughes Model 77) (maximum cruise speed)
The AH-64 helicopter, one of the primary helicopters used by the United States Army, flies at a top cruise speed of 176 miles per hour. The AH-64 is the primary military helicopter of several nations including the United States, the United Kingdom, Israel, Japan, and the Netherlands.
It's about two times as fast as a Gazelle
The speed of a Gazelle is about 40 miles 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 50 miles 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 two times as fast as a Hare
The speed of a Hare is about 40 miles 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 40 miles 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 half as fast as a Lamborghini Gallardo
The speed of a Lamborghini Gallardo is about 200 miles per hour.
(for Gallardo LP 550-2, a.k.a. Valentino Balboni, 2009 model)
The Lamborghini Gallardo LP550-2 model Gallardo has a top speed of 200 miles per hour. The Gallardo can reach speeds of 62 miles per hour in just 3.9 seconds.
It's about half as fast as The TGV (train)
The speed of The TGV (train) is about 200 miles per hour.
(Train à Grande Vitesse) (for SNCF TGV Réseau, a.k.a. "Network" model, a.k.a. TGV-R) (maximum speed)
The TGV Réseau sets have a top speed of 200 miles per hour. The train is capable of travelling the 425 km (264 mi) distance from Paris to Lyon in East-Central France in about two hours.
It's about half as fast as an Arrow (archery)
The speed of an Arrow (archery) is about 200.60 miles per hour.
(250 g arrow fired from 60#/28" bow)
A 250 gram arrow will reach speeds of approximately 200.60 miles per hour when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago.
It's about half as fast as a Porsche 911
The speed of a Porsche 911 is about 204 miles per hour.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 204 miles per hour. It takes just 7.4 seconds for the GT2 to accelerate to 100 mph.

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