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How fast is 547.50 mach?

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 It's about 6,000 times as fast as a Cheetah. In other words, 547.50 mach is 5,915 times the speed of a Cheetah, and the speed of a Cheetah is 0.0001691 times that amount. (Acinonyx jubatus)The cheetah can reach speeds of up to 0.09258 mach in short bursts. From a crouching position, the cheetah can attain these speeds in just 2.25 seconds. It's about 6,000 times as fast as a Knuckleball (baseball). In other words, 547.50 mach is 6,100 times the speed of a Knuckleball (baseball), and the speed of a Knuckleball (baseball) is 0.00016 times that amount. (a.k.a. knuckler, a.k.a. floater, a.k.a. dancer, a.k.a. butterfly ball) (major league average)The average speed of major league knuckleball pitch is 0.092 mach. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906. It's about 9,000 times as fast as a Gazelle. In other words, the speed of a Gazelle is 0.0001 times 547.50 mach. (for Thomson's Gazelle, a.k.a. Eudorcas thomsoni, a.k.a. "Tommie", a.k.a. "Tommy")A Thomson's gazelle can reach speeds of up to 0.07 mach. The gazelle's speed doesn't match that of its chief predator, the cheetah, but a gazelle's endurance usually ensures an escape in distances greater than 500 m (0.3 mi). It's about 9,000 times as fast as a Hare. In other words, the speed of a Hare is 0.0001 times 547.50 mach. (for European Brown Hare, a.k.a. Brown Hare, a.k.a. Lepus europaeus, a.k.a. Brown Hare)The European Hare can run at speeds of up to 0.06 mach. While speed is a factor in their escapes, hares evade their chief predators — wolves, foxes, and golden eagles — by fleeing in a zigzag pattern. It's about 9,000 times as fast as a Greyhound. In other words, 547.50 mach is 9,030 times the speed of a Greyhound, and the speed of a Greyhound is 0.000111 times that amount. (a.k.a. English greyhound) (approximate maximum speed)Greyhounds reach average race speeds of 0.0607 mach. Despite their racing prowess, greyhounds are not considered energetic dogs — the typical greyhound race requires the dogs to run for less than 35 seconds. It's about 10,000 times as fast as Secretariat. In other words, 547.50 mach is 10,800 times the speed of Secretariat, and the speed of Secretariat is 0.00009260 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 0.0506 mach in 1973. His margin of victory in the race, also a record-setter, was 31 lengths. It's about 20,000 times as fast as Michael Johnson. In other words, 547.50 mach is 17,540 times the speed of Michael Johnson, and the speed of Michael Johnson is 0.000057010 times that amount. (a.k.a. Michael Duane Johnson) (sprinter; 1967-) (at the Atlanta Olympics, 1996)Setting a record that stood for 12 years, Michael Johnson ran a 200 m in 0:19.32 for an average speed of 0.03123 mach at the 1996 Olympics. Johnson was nicknamed "the Man with the Golden shoes" in recognition of the custom footwear worn during these races — a pair of Nikes with a left size of 10.5 and a right size of 11.