This is an animation that I created to engage students in solving rate of change problems. The students are much more interested in finding the solution to this very same problem that I have done for years, now that I have a shirt cartoon to introduce it. I have also included myself working out the problem on the video. I began creating these videos to help ENL students who know very little English. Now, these students don't have to spend all of their energy just translating the problem. Th