Atrain travels in a straight line at 15.0 m/s for 2 km, then at 30.0 m/s for another 2 km. part a part complete is the average speed of the train greater than, less than, or equal to 25 m/s? is the average speed of the train greater than, less than, or equal to 25 ? the average speed of the train is less than 25 m/s. the average speed of the train is greater than 25 m/s. the average speed of the train is equal to 25 m/s. previous answers correct part b verify your answer to part a by calculating the average speed. express your answer to three significant figures and include the appropriate units.