The wheels of a skateboard roll without slipping as it accelerates at 0.45 m/s down an 85-m-long hill. Part A If the skateboarder travels at 2.0 m/s at the top of the hill, what is the average angular speed of the 2.6-cm-radius wheels during the entire trip down the hill? Express your answer to two significant figures and include appropriate units. HA ? Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining