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543 miles per second is about 450,000 times as fast as Michael Phelps.
In other words, it's 449,870 times the speed of Michael Phelps, and the speed of Michael Phelps is 0.00000222290 times that amount.
(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)
Setting a world record, Michael Phelps swam the 200 m freestyle in 1:42.96 for an average speed of 0.001207 miles per second. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.
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