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Originally Posted by Mark Dexter
You might want to check your calculations, Mick. I'm guessing the 386' distance is as the crow flies. Since most homeruns will travel in a parabolic arc, the ball actually travelled further than 386 feet and was going faster than 75.2 MPH.
- Mr. Annoying Ex-Physics Teacher Guy
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If you really want to discuss this, I believe that you are incorrect. I believe that the average speed is the same if the object travels in a two-dimensional plane or if it makes a parabola, due to the force of gravity.
Think about it. The g would lower the velocity on the upward part of the arc, but equally increase it on the downward part for a net change of zero. Plus the force of gravity has no effect upon the horizontal vector, only resistance from wind/air would change that. Thus the total distance traveled should be the same according to the laws of physics.