Ingrid and Lou go for a ride on a carousel. Lou rides on one of the outside horses, and Ingrid rides on a smaller one near the center. Ingrid’s horse is 3 m from the center of the carousel, and Lou’s horse is 7 m farther away from the center than Ingrid’s. When the carousel starts, it takes them 12 seconds to complete a rotation. a) Calculate the angular speed of the horses on the carousel, in radians per minute.

b) Calculate the linear speed of each of the riders, in meters per minute.