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0.0099 miles per second is about one-and-a-half times as fast as Usain Bolt.
In other words, it's 1.550 times the speed of Usain Bolt, and the speed of Usain Bolt is 0.6450 times that amount.
(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 0.00642 miles 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.
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