HELP In a certain stretch of a train trip, rain falls vertically and the drops have a velocity of 8 m / s in relation to the ground. In this case, water marks are observed on the glass of one of the windows, tilted 37 ° vertically.

(additional information in the image)

According to the figure, the train moves at a speed of:

6 m/s, to the left

8 m/s, to the left

10 m/s, to the left

6 m/s, to the right

10 m/s, to the right