The railway of a train is shown in Fig. 6-41 (h1 = 35 m, h2 = 11 m, h3 = 30 m). The train passes point 1 with a speed of 2.30 m/s. If the average force of friction is equal to 19% of its weight, with what speed will the train reach point 2? The distance traveled is 50.0 m.