That LearJet hit the ground almost vertical, nose down, going very fast.
Yes, and the black box was recovered.
I was immediately reminded of the 9/11 flight, Flight 93 that crashed in Shanksville, Pennsylvania in almost the same manner. The plane apparently buried itself in the ground, no debris recovered, no black box recovered. In fact, none of the black boxes on any of the planes that day were (supposedly) recovered.