JDRpipboygo JDRpipboygo Physics Answered A merry-go-round rotates with a centripetal acceleration of 18 m/s^2. If the outer horses are 9 m from the center of the ride. What is their velocity? A. 12.7 m/s B. 14.6 m/s C. 16.3 m/s D. 10.4 m/s