And another next to the tow:
https://www.youtube.com/watch?v=gB1KUrgAu58

Here one that's a little long, 13 minutes, but gives you the view from the glider. The tow starts at about 3 minutes. We get more height when the truck gets up to speed before setting the brake:
https://www.youtube.com/watch?v=M3ga-XJ_cdw

Boggs