Did not appear to be moving all that fast near the end just before the flash.
Persistent train
Observation
Yes
Duration
-1s
Length
15°
Remarks
-
Terminal flash
Observation
Yes
Remarks
Looked like a small firework display, all white and broke up with a flash. Small peices could be seen immediately afterward drifting downward but they stopped glowing quickly after the flash and I lost sight of them.