Originally Posted by
Old Boeing Driver
That is in a simulator that is so far out of its certified flight envelope that it has nothing to do with what the real airplane would do.
It extrapolates somewhat and the behaviour may or may not be reasonable, but you can't use it "for info" on 737 stall behaviour.
I'd be surprised if anyone has flown a real 737 to 90º pitch angle just to see what happens and create data for a simulator.
Bernd