starting around :27 seconds, looks like something drops off. Then you see a 2nd-stage kick in, and a booster-engine (perhaps) falls to the right. The 'rocket' continues, and the falling booster starts "puffing out" the last of it's propellant?

And, the falling booster is what's seen in the other video over WVa?

starting around :27 seconds, looks like something drops off. Then you see a 2nd-stage kick in, and a booster-engine (perhaps) falls to the right. The 'rocket' continues, and the falling booster starts "puffing out" the last of it's propellant?

starting around :27 seconds, looks like a booster-engine drops off.

wtaf?