and it's this. they really needed to increase their speed. if you hear some of the witness statements and also from the passengers, they seem to indicate that the plane was too low and that the engines revved up just before the plane was about to touch down. i want you to listen now the to the ntsb chairwoman who boils things down second by second. take a look. >> a call was made seven seconds prior to impact. the sound of the stick shaker occurs approximately four seconds prior to impact. a call to initiate a go ahead occurred 1.5 seconds before impact. >> so it's clear that they knew there was trouble. the problem, don, when are you