JEE Main Physics question

An elevator is going up. The variation in the velocity of the elevator is as given in the graph (rising linearly from 0 to 3.6 ms over – s, constant at 3.6 ms over – s, falling linearly to 0 over – s). What is the height to which the elevator takes the passengers?

• (A)3.6 m
• (B)28.8 m
• (C)36.0 mCorrect
• (D)72.0 m