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45 miles per second is about 2,500 times as fast as a Knuckleball (baseball)
In other words, the speed of a Knuckleball (baseball) is 0.00042 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 0.019 miles per second. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906.
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