>> those inputs were massive both in magnitude and in duration. >> the airplane is going to react more violently than at lower altitude or with the automation. >> the stability is decreasing, they are approaching a stall. >> the stall warning sounds twice in the cockpit. >> stall, stall. >> the air speed indications have been invalid for less than 30 seconds and now they are coming back online. but in that time, the flight has destabilized and the aircraft is rapidly climbing at 7,000 feet per minute. >> things get confusing quickly because you look at the air speed i have, but yeah, you have air speed but you have no left. >> air flow over the wing is ultimately critical for generating lift and supporting the weight of the airplane. so you can pitch the nose of the airplane up but the airplane will fall out of the sky because the wings are incapable of