Elastic Collision
http://jabryan.iweb.bsu.edu/videoanalysis/index.htm
http://jabryan.iweb.bsu.edu/videoanalysis/ElasticI.avi
Author: video by Joel A. Bryan, model by lookang
Contact: weelookang@gmail.com
More information at: http://weelookang.blogspot.com/2014/04/tracker-video-analysis-and-model-on.html