[ldeit]

mgjordan,

In addition to what occurs from release to impact, the swinger's motion is an instantaneous acceleration from the Top, where as the hitter's motion begins as a deliberate resistance of the backstroke. There is a post by Yoda using the term "Cranking the Gysoscope", do a search.

Also check 10-19-A and 10-19-C for pace of the start down.

ldeit