Correction for the speed of Usain Bolt
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How fast is 3,530 inches per second?
It's about eight-and-a-half times as fast as Usain Bolt
The speed of Usain Bolt is about 406 inches per second.
(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 407 inches per second 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.