The Maximum Velocity of a Spring-Mass System Is V₀ When

The maximum velocity of a spring-mass system is v₀ when the maximum displacement of the mass is x₀. If the maximum displacement is changed to 2x₀, the maximum velocity of the system is

A) (1/2) v₀.
B) v₀.
C) 2v₀.
D) 4v₀.