Assertion : A kinetic energy of a body is quadrupled, when its velocity is doubled. Reason : Kinetic energy is proportional to square of velocity

Options

A. both assertion reason are true and reason is the correct explanation of the assertion.
B. both assertion reason are correct and reason is not the correct explanation of the assertion.
C. Assertion is correct but reason is incorrect
D. Assertion is incorrect but reason is correct

Answer

A