Is 0.00000020428960 times the speed of light as fast as a Curveball (baseball)?
It's about one-and-four-fifths times as fast as a Curveball (baseball)
The speed of a Curveball (baseball) is about 0.000000110 times the speed of light.
(a.k.a. hook, a.k.a. hammer, a.k.a. yakker) (major league average)
The average speed of major league curveball pitch is 0.000000110 times the speed of light. 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.
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