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0.000000000130 mach is about 0.00000002 times as fast as Michael Phelps.
In other words, it's 0.0000000221890 times the speed of Michael Phelps, and the speed of Michael Phelps is 45,067,000 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 0.0058588 mach. 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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