Escape speed of a projectile that is fired vertically upward is v_e. Another projectile has to be fired at 60° with the horizontal. Escape speed for this projectile will be :

• A

  $\frac{{\mathrm{v}}_{\mathrm{e}}}{2}$

• B

  2v_e

• C

  $\frac{{\mathrm{v}}_{\mathrm{e}}}{4}$

• D

  v_e