Correction for the speed of Usain Bolt
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How fast is 6,600 inches per minute?
It's about one-fourth as fast as Usain Bolt
The speed of Usain Bolt is about 24,300 inches per minute.
(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 24,400 inches per minute 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.