If Helium Nuclei and Protons Are Each Accelerated from Rest

If helium nuclei and protons are each accelerated from rest through the same potential difference V,which gets the greatest kinetic energy and by what factor is it greater?

A) the protons get twice as much kinetic energy
B) the helium nuclei get twice as much kinetic energy
C) they both get the same kinetic energy
D) the protons get four times as much kinetic energy
E) the helium nuclei get four times as much kinetic energy