My dog ran out of the house and it took a long time to catch it. In fact, it wasn't until an hour and a half later that I caught the dog at a park three miles East and four miles South of my house. What was the net distance traveled by my dog? (Draw a picture and try to remember the Pythagorean Theorem from math class!) What was my dog's average speed? What was my dog's velocity in the direction toward the East? The South? The North? The West