A Helium Nucleus Is Accelerated from Rest Through a Potential $\mathrm{V}$

A helium nucleus is accelerated from rest through a potential difference $\mathrm{V}$ to a kinetic energy of $3.2 \times 10^{-13} \mathrm{~J}$ . What is $\mathrm{V}$ ?

A) $2.0 \mathrm{MV}$
B) $1.6 \mathrm{MV}$
C) $1.0 \mathrm{MV}$
D) $0.51 \mathrm{MV}$
E) $3.2 \mathrm{MV}$