You beat me to it! This timecoded link shows the launch sequence of the Sprint with a tracking shot of the vehicle itself. Pretty remarkable watching it start to glow white:

https://www.youtube.com/watch?v=3dl9Ovwmnxw&t=220s

I think this is the first video on that channel where the subject can match the guy's cadence. It's a great overview of the development of the Sprint though, worth watching if it's of interest.