1000km/h is the maximum velocity of the train (Vmax), it's cruising speed will probably be lower. You also need to accelerate and decelerate, so the average sp

1000km/h is the maximum velocity of the train (Vmax), it's cruising speed will probably be lower. You also need to accelerate and decelerate, so the average speed (Vavg) will be much lower than 1000km/h.