[NELSON111]

>>>Doesn’t look like a load shift, looks like a total loss of engine thrust. It just stalled and fell like a rock.

I loss of engine thrust doesn't drag your butt down like that. You compensate by dropping your nose and gaining speed. That is a load shift.

[editor-surveyor]

They did drop their nose, just before hitting bottom.

The plane was wallowing without control due to lack of airspeed.