A Particle (Charge = 50 $\mu$ C)moves in a Region Where the Only Force on It

Multiple Choice

A particle (charge = 50 $\mu$ C) moves in a region where the only force on it is an electric force.As the particle moves 25 cm from point A to point B,its kinetic energy increases by 1.5 mJ.Determine the electric potential difference,V_B - V_A.

A) -50 V
B) -40 V
C) -30 V
D) -60 V
E) +15 V