Is 504 feet per hour as fast as a Knuckleball (baseball)?
It's about one-seven-hundredth as fast as a Knuckleball (baseball)
The speed of a Knuckleball (baseball) is about 350,000 feet per hour.
(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 360,000 feet per hour. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906.
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