Final distress call with Learjet pilot captured moments before crash

Aircraft is light clear ice and moderate turbulence, say again. 722BD, 350, moderate turbulence, plus or minus, okay no, 700 feet, 600 feet. N722R, say outside air temperature. Negative 47 degrees Celsius, we're managing the ice, but it is moderate turbulence, we're during free point. Okay, N722BD, roger, let me know if you need anything else, I'm just working you into my airspace right now. Thank you, if you have any better rides, let us know, N722BD. N2BD, the rides do improve on my airspace, you're kind of far outside of it right now, and you can expect better rides ahead. Roger, 2BD, now we're picking up precipitation. We need to climb 370, V2BD. 722BD, roger, climb and maintain FL370, no further right than your present heading for traffic. Climb 370, 2BD. 722BD, we're descending 8000, mayday mayday, we're descending 10,000 feet per minute. November 722 BRAVO DELTA, roger. Declaring emergency 722 BRAVO DELTA, we are in an over-sea condition. 722 BRAVO DELTA roger, out to your discretion, let me know what you need. Off the ground 722 BRAVO DELTA. 722 BRAVO DELTA, I'm here with you, talk to me. We are descending 22,000 feet and we are banking 60 degrees. Good morning, everybody. November 2 BRAVO DELTA roger. What a project! 722 BRAVO DELTA, 722 BRAVO DELTA how do you hear? R2 Bravo Delta, Miami.