Do as directed in each problem.

Draw manually preferably with a pencil.

The motor on the coin$-$operated horse rotates clockwise at a constant rate of $90$ rpm $.$ At the instant when $=30,$ use the relative acceleration method to graphically determine the angular velocity and angular acceleration of the horse. $K_{s\text{:}}1$:$9$;$K_{v\text{:}}1in.=3fps$;$K_A$:$1in.=20fp{s}^2.$