A giant wheel in an amusement park rotates with angular acceleration a, and a point on its edge has tangential acceleration a. A toy wheel rotates with angular acceleration 30c. and a point on the edge has tangential acceleration 7a. How does the radius of the giant wheel giant compare with the toy wheel toy ? 30 7 giant = 7 -rtoy "giant = 30 -Ttoy O A O B giant = 210rtoy " giant = 210 Ttoy O c O D