Actually, this is EE, but I can't explain why. Does anyone know where to find the acceleration of a baseball when it is hit? I'm looking for high end numbers like in a major league home run. Gee and Jerk if I can get it. -- Jealousy is a disease, love is a healthy condition. The immature mind often confuses one for the other, or assumes the greater the love, the greater the jealousy. In fact they are almost incompatible; both at once produce unbearable turmoil. Jubal Harshaw, "Stranger in a Strange Land" -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist