1. The problem statement, all variables and given/known data Estimate the maximum speed of a horse. Assume that a horse is 1.8 m tall and .5 m wide. 2. Relevant equations 3. The attempt at a solution This problem is from the work & energy chapter in my book. However, I can't figure out the relevance of the dimensions of the horse. I don't even know where to start. Does this have something to do with horsepower? I'm confused.