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564.09 centimeters per hour is about one-one-thousandth as fast as Michael Phelps
In other words, it's 0.0008067 times the speed of Michael Phelps, and the speed of Michael Phelps is 1,239.7 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 699,300 centimeters per hour. 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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