Correction for the speed of Michael Phelps
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How fast is 534 times the speed of light?
It's about 80,000,000,000 times as fast as Michael Phelps
The speed of Michael Phelps is about 0.00000000647950 times the speed of light.
(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 0.00000000647950 times the speed of light. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.