Dog People

While studying for the fisix final, I was going over the notes when I found an old problem that said:

A dog running chasing a ball runs at 5 m s^-1 off a 50 m high cliff. How far from the base of the cliff does the dog hit the ground? What is the dog's final velocity?

Noticing a particular mark I had made on the page, I remembered how everyone in the class had objected at once when Mr. Giromini read the problem, as there were several dog people in the class, myself proudly among them. He decided that our complaints were valid, and told us to change the problem. At his recommendation, this is what resulted: