A bomber plane moves horizontally with a speed of 500 ms^-1 and a bomb released from it, strikes the ground in 10s. Angle at which it strikes the ground will be (Take, g = 10 ms^-2)

• A

  ${\tan }^{-1}\left(\frac{1}{5}\right)$

• B

  ${\tan }^{-1}\left(\frac{1}{2}\right)$

• C

  ${\tan }^{-1}\left(1\right)$

• D

  ${\tan }^{-1}\left(5\right)$