too hard We are both fairly good at ping pong too, so imagine how fast the ball travels when people spike it. I figured i would upload this just to have it on here… Calculus was awesome and i have to say Thanks a Bunch! to my best Calculus teacher Mr. Walsh!!! www.swagbucks/com/refer/sperdoch … Ping Pong Table Tennis Sean Crossland Sperdoch Calculus AB advanced placement integrate derivative integral arc length velocity topspin underrspin spike smash win exeter High school senior 2009 …