A stone is projected  from the ground with velocity 50 m/s at an angle of ${30}^0$ with the horizontal. It crosses a wall after 3 sec. How far beyond the wall the stone will strike the ground. (g=10m/$s^2$)

• A

   90.2 m 

• B

   89.6 m 

• C

    86.6 m  

• D

  70.2 m