Please help me with this physics question!

A 1.0 kg weight suspended from a spring is pulled to 0.50 m below its equilibrium point. If the spring has a spring constant (k) of 50.0 N/m, at what rate will the mass accelerate when it is released?

A) 25 m/s²
B) 6.3 m/s²
C) 100 m/S²
D) 3.7 m/s²