Select the correct answer.The length, that a spring is stretched varies directly as the amount of force, F. applied to the end of the spring. When a force of 10 pounds is applied to a spring, it stretches 3 inches. How much will the same spring stretch if the force is increased to 15 pounds?A. 8 inchesB. 7.5 inchesC. 4.5 inchesD. 2 inches