u mean like this?
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=701.0
[img]http://2.bp.blogspot.com/_D8P4hByt4sc/TRGhGM4nNkI/AAAAAAAAAbk/cTOiuMvtThY/s320/Ejs_open_source_kinematics_java_applet_displacement_velocity_acceleration_graphs.png[/img]
http://weelookang.blogspot.com/2010/06/ejs-open-source-kinematics-java-applet.html