A body of mass m thrown horizontally with velocity v, from the top of tower of height h touches the level ground at a distance of 250 m from the foot of the tower. A body of mass 2 m thrown horizontally with velocity $\frac{\mathrm{v}}{2}$, from the top of tower of height 4h will touch the level ground at a distance x from the foot of tower. The value of x is

• A

  250 m

• B

  500 m

• C

  125 m

• D

  250$\sqrt{2}$ m