Solve. -The Force Needed to Keep a Car from Skidding on on a Curve

Multiple Choice

Solve.
-The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 3600 pounds is needed to keep an 1800 pound car traveling at 20 mph from skidding on a curve of radius 600 feet, what force would be required To keep the same car from skidding on a curve of radius 550 feet at 30 mph? Round your answer to the nearest Pound of force?

A) 9406 pounds
B) 8704 pounds
C) 8836 pounds
D) 8868 pounds