hI JACK
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> How do we ? is it the arch of the swing thats allows to hit homers
Alfred -
The most important factor in the distance a ball travels (if hit solidly) is batspeed. That's BATSPEED as in the name of this site.
If you read all Jack's material on this website, and keep remembering that batspeed makes the ball go farther, it will all make sense. The answer to your question is right here...