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45 miles per second is about 4,500 times as fast as Secretariat
In other words, it's 4,310 times the speed of Secretariat, and the speed of Secretariat is 0.000232 times that amount.
(at Belmont Stakes, 1973)
Setting a record finish, Secretariat ran the Belmont Stakes — a 12 furlong race length — in 2:24, for an average speed of 0.0104 miles per second in 1973. His margin of victory in the race, also a record-setter, was 31 lengths.
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