Jack's bicycle tires have a diameter of 24 in. If he rides at 10 mph, what is

[Tricia Martin]

the angular velocity? Jack's bicycle tires have a diameter of 24 inches. If he rides at 10 miles per hour, what is the angular velocity of the wheels in revolutions per minute (rpm)?
1. 240 rpm
2. 2.4 rpm
3. 10 rpm
4. 140 rpm