1. Investigation 2.1

2.  Race walkers must follow two rules: 1. The walker must always have one foot in contact with the ground. 2. The walker’s leg must be straight from the time it strikes the ground until it passes under the body.  A champion race walker can cover a mile in about 6.5 minutes. It takes most people 15 to 20 minutes to walk a mile.

4.  Baxter challenges his older brother Orlando to a walking race.  Orlando figures out that his walking rate is 2.5 meters per second, and Baxter’s walking rate is 1 meter per second.  Orlando agrees to give Baxter a 45 meter head start.  Orlando knows Baxter would enjoy winning the race, but he doesn’t want to make the race so short that it is obvious his brother will win.  What would be a good distance to make the race so that Baxter will win in a close race?