This video is making its rounds on social media claiming to show a 90 degree vertical take off:

https://www.youtube.com/watch?v=1nRisSRUmEc

One can not tell from the video alone what the angle is.

Does anyone have a third party reference for the actual angle for this video?

What is the maximum angle for a 737-max with typical passenger load.

What is the maximum angle for a 737-max specially configured to maximize the angle?