Correction for the speed of a Curveball (baseball)
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How fast is 0.116550 kilometers per minute?
It's about one-twentieth as fast as a Curveball (baseball)
The speed of a Curveball (baseball) is about 2 kilometers per minute.
(a.k.a. hook, a.k.a. hammer, a.k.a. yakker) (major league average)
The average speed of major league curveball pitch is 2 kilometers per minute. In the 1940's, debate over whether there really was a curve in the curveball pitch was settled with the conclusion that the ball does curve; however, an optical illusion caused by the spin of the ball and the batter's perception of motion exaggerates the extent of the curve.