That would be right about here:
30 seconds into launch, over 3 miles altitude - about the same altitude as the mystery missile. Note the tight exhaust trail. And bright fire from the rockets.
40 seconds later, rocket has gone 17 miles higher - over 20 miles in altitude. Serious fire from the rockets - no doubt, no dull redish reflection appearing briefly then disappearing.
For those who think they see a solid booster rocket separation on the mystery video, here's what this one looks like:
And finally, three minutes after launch, extreme zoom sees the fire end of the rockets disappearing, traveling over 2,600 miles per hour.
Here's the jet contrail during its ten minutes of observation:
No fire, slow moving. Where would a missile have been in ten minutes?