A trolley is being pulled up an incline plane by a man sitting on it (as shown in Figure). He applies a force of 250N. If the combined mass of the man and trolley is 100 kg, the acceleration of trolley will be [ sin 15 0.26 ° = ]
(A) 2.4 m/s2
(B) 9.4 m/s2
(C) 6.9 m/s2
(D) 4.9 m/s2