At 40:52, the lunar surface pod that Amos is in comes to a swift halt when it reaches its destination. Gravity on the moon is 83.3% (5/6th) less than it is on the Earth. However, just because gravity has changed, the mass does not. That pod would have taken a lot longer to slow down to prevent the mass of its passengers from slamming toward the front of the vehicle when it came to a stop.