# A train moves from one station to another 2 hours time. Its speed-time graph during this motion is shown in the figure. The maximum acceleration during the journey is

Question : A train moves from one station to another 2 hours time. Its speed-time graph during this motion is shown in the figure. The maximum acceleration during the journey is

(A) $140kmh^{-2}$

(B) $160kmh^{-2}$

(C) $100kmh^{-2}$

(D) $120kmh^{-2}$