Linear momentum and its conservation — practice question

A car with mass $m$ has its momentum rise from $p_1$ to $p_2$. What is the change in the car’s kinetic energy?

• A$\frac{p_2^2 - p_1^2}{2m}$
• B$\frac{(p_2 - p_1)^2}{2m}$
• C$\frac{p_2 - p_1}{2m}$
• D$\frac{p_1 - p_2}{2m}$