Bob and Lily are riding on a typical carousel. Bob rides on a horse near the outer edge of the circular platform, and Lily rides on a horse near the center of the circular platform. When the carousel is rotating at a constant angular speed, Bob's angular speed is A. exactly half as much as Lily's. B. the same as Lily's. C. larger than Lily's. D. exactly twice as much as Lily's. E. smaller than Lily's.