Speed and attitude are inherently linked on a copter. But just because they are a means of inducing power output through the motors doesn't mean an overloaded motor has anything to do with them. An overloaded motor doesn't discriminate over what state of the copter is in - if it's pulling to much current it's pulling too much current.
speed and altitude have nothing to do with each other on a "copter" and really yo need to pick one thing you are going to claim and defend. you can't keep saying one thing on one post and then contradicting that in the next post.