You did good. remain calm, if you pull off too much throttle it will just fall, its easy to get excited and over react. if all hope is lost and your going to cause harm to someone/something then defitnitely cut the throttle. If its a fly away then your at the beginning of a bad day. I had one get so far away from me once that I couldnt tell which way was right/left/back /forward. It was literally a spec on the horizon because I panicked. Things were going from bad to worse so I cut the throttle and let it fall and then jumped in my car to go find it. I did not have a return to home feature and of course no FPV but my gopro was on it and I really didnt want to lose my gopro. Its an interesting video, I started out in a farmers field far away from everything and ended up on the lawn of some law offices nearly a half mile away, barely missed the corner of the building and thankfully didnt hit a lawyers car, or worse a lawyer. It was a panicked 15 minutes of frantic searching. This is how I learn unfortunately.