Originally Posted by from avherald
........EGPWS alerts "SINK RATE" and "PULL UP" sounded, there was no reaction to the extreme nose down attitude however and the vertical acceleration became negative. The aircraft impacted ground at 75 degrees nose down at about 450 kph.......
For the g to go negative, they must have had way too much nose down trim by that point.
It is hard to continue pushing the nose down when you are floating in the straps.