Originally Posted by
PurpleToolBox
My two cents ...
Passing around 3,200 feet the airplane had a approximate 3,500+FPM climb. That is significant. I bet the FMAs went into altitude capture mode and the autopilot stopped looking at speed and pitched for the 5000ft level off and the AP slowed them down while the Flaps had been retracting. I've seen it before on both the 777 and other Boeings.
Not a chance a heavily loaded 777 was doing anything close to 3500 FPM during the flap retraction sequence. 1000 FPM maybe, not much more, probably less.