Did you just switched to failsafe mode?? LolThis was your first mistake RTH has way less pitch angle and power. Should have switched to ATTI and drove her home.
Go out on a calm day and give her hell and you will see even in gps mode she does over 30
But like we say in skydiving just because you can jump out of a plane, it doesn't make you a skydiver.
Some people don't handle changing circumstances quickly or well
I Do