Moderate# Force of Two Springs

CLMECH-GSNGRC

A mass, $m$, lies on a smooth surface connected between two identical springs with constant $k$. Initially, the springs are unstretched.

If the mass is moved $2\text{ cm}$ to the left and released, what is the initial acceleration of the mass due to the springs?

Take the spring constants to be $k=20\text{ N/m}$ and $m=3\text{ kg}$