SpaceX Falcon 9 rocket

The SpaceX Falcon 9 rocket was successfully launched out of Vandenberg Space Force Base in Southern California the rocket, which was carrying carry 22 Starlink satellites to low-Earth orbit, met its targeted launch time of 7:30 p.m. Here is footage from the City of Lake Elsinore as it light up the night sky and also could be seen miles away.

[@heynowutube2]

What are the fragments coming off of this rocket that are shown in the video?

[@jamesmunro4927]

It looks like puffs of un-burnt fuel