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Equivalents in other units


How fast is 630.2 yards per second?

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It's about one-fifteenth as fast as The Space Shuttle.
In other words, 630.2 yards per second is 0.074417 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 13.438 times that amount.
(Orbiter vehicle velocity)
It's about fourteen times as fast as a Fastball (baseball).
In other words, the speed of a Fastball (baseball) is 0.071 times 630.2 yards per second.
(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)
It's about seventeen times as fast as a Curveball (baseball).
In other words, the speed of a Curveball (baseball) is 0.059 times 630.2 yards per second.
(a.k.a. hook, a.k.a. hammer, a.k.a. yakker) (major league average)
It's about seventeen-and-a-half times as fast as a Hurricane.
In other words, the speed of a Hurricane is 0.0575 times 630.2 yards per second.
(formally: Topical cyclone; a.k.a. typhoon)
It's about nineteen times as fast as a Cheetah.
In other words, 630.2 yards per second is 18.78 times the speed of a Cheetah, and the speed of a Cheetah is 0.05325 times that amount.
(Acinonyx jubatus)
The cheetah can reach speeds of up to 33.57 yards per second in short bursts. From a crouching position, the cheetah can attain these speeds in just 2.25 seconds.
It's about nineteen times as fast as a Knuckleball (baseball).
In other words, the speed of a Knuckleball (baseball) is 0.053 times 630.2 yards per second.
(a.k.a. knuckler, a.k.a. floater, a.k.a. dancer, a.k.a. butterfly ball) (major league average)
It's about thirty times as fast as a Greyhound.
In other words, 630.2 yards per second is 28.7 times the speed of a Greyhound, and the speed of a Greyhound is 0.0348 times that amount.
(a.k.a. English greyhound) (approximate maximum speed)