human quickness. Flailing their arms  and long hands about, they would somewhat resemble bugs. Another  idea was to suspend them on wires and have them fly. The mothership  was supposedly in a lower gravity field (this line remains in the  final cut of the movie as the ship lands: Watch for dizziness and  low gravity.) and Neary was even supposed to float up as he walked  into the ship at the end. All of these ideas were eventually cut.