The following measurements from yaw marks left at the scene of an accident were taken by the

Question:

The following measurements from yaw marks left at the scene of an accident were taken by the authorities. Using a 31-ft length chord, the middle ordinate measured approximately 3 ft. The drag factor for the road surface is 1.02.
a. Determine the radius of the yaw mark to the nearest tenth of a foot.
b. Determine the minimum speed that the car was going when the skid occurred to the nearest tenth.