Ghada works for an insurance company as an accident reconstruction expert. She measured a 52-ft chord from the outer rim of the yaw mark on the road surface. The middle ordinate measured x ft in length. The drag factor of the road surface was determined to be 1.05.
a. What is the expression for the radius of the yaw mark?
b. Determine the expression for the minimum speed that the car was going when the skid occurred.