Nock-----my question to you is why would you need to? Surely flying at VMO with idle thrust would be sufficient to do whatever nasty cr** you were planning.
Hit the ground at 330 KIAS 3000 fpm is just as bad as 350 KIAS at 4000 fpm
Doesn't matter does it, game over as you've seen.
The data suggests they were doing around 330 KIAS at 3,000 fpm.