Excessive climb rate
Data show excessive climb rate of 6000 ft/min within 33 seconds after go around from 1125 ft MSL, thereafter accelerating with rates between 2000 and 4000 ft/min for another 20 seconds, before suddenly dropping to ground from 3600 ft within 11 seconds.
First go around started at 1350 ft MSL, was smooth with max. climb rate of 2500 ft/min and acceleration segment.