A Hooke's Law Spring Is Mounted Horizontally Over a Frictionless

Multiple Choice

A Hooke's law spring is mounted horizontally over a frictionless surface.The spring is then compressed a distance d and is used to launch a mass m along the frictionless surface.What compression of the spring would result in the mass attaining double the speed received in the above situation?

A) 1.41 d
B) 1.73 d
C) 2.00 d
D) 4.00 d