I think I'm the worst guy here to give advice but I feel this burning desire to contribute.
ItHurts--I say do what you need to do to answer your "what if."
She has divorced you. This is a fact.
You have two chooses: Have no contact or pursue.
If you choose no contact and let her make the decision to move to Florida--she may do it. But she will make this choice without your influence.
You give her the control. She will make this decision based on the information she currently has about you and your marriage as it is in its current state.
Your "what if" will be answered? And the "what if" is "What if I left her alone. Would she come back to me?"
But if you believe advice you got during divorce busting was wrong.
In other words--You should have pursued her. You should have dated her. You should have made her feel important and you want to learn "what if" then change your destiny. Do all of that now.
Your "what if" will be answered, "What if I had pursued my wife? Would I have saved my marriage?"
I'm not saying either choice will result in saving your marriage. But I am saying either choice will get the "what if" answer.
The question is: Which "what if" do you want answered?
I don't think you are not powerless. Just indecisive.