flying into which would appear on the ground he would be going slow. >> ground speed in and of itself doesn't tell us enough. we need to know more. colonel, what about the incline? this article says that the plane appeared to be climbing at an almost impossibly steep lift. >> well the steep angle which it appeared the plane could have -- another scenario from david is the plane stalled. if the plane was at altitude and then it stalled at that high deck angle or high angle of attack the plane would fall. there is some forward -- if the vector is going this way, then there is forward airspeed on the aircraft. it would appear it was going as fast as a car, but, in fact it was also falling vertically at over 10,000 feet a minute. this is much like the air france jet when it had a high nose altitude and fell like a leaf. it continued to fall and that