Use the controls to go faster or slower
If you go backward and want to go forward again, press the Faster button 4 times
This interacive piece uses the HTML 5 canvas tag. Please use the controls to control the speed. This interaction is quite resource intensive.
Your browser does not support HTML5 canvas tag. Please use a HTML5 browser to view this site, like Chrome 3.0+, Firefox 3.6+, Safari 5.0+ (Mac only) or Internet Explorer 9+. Thank you!.