JEE Main Physics question

Two paper screens and are separated by a distance of 200 m. A bullet pierces and then . The hole in is 40 cm below the hole in . If the bullet is travelling horizontally at the time of hitting , then the velocity of the bullet at is (take ms)

• (A)200 ms
• (B)400 ms
• (C)600 ms
• (D)700 msCorrect