Wow...I'd be happy to see my 11 year old figure out how to break 43mph. She is scrawny and all legs...we switched from HE to I/R. Her speed is up a little bit, but not the way I had hoped for the amount of time we put in.
If you haven't already, start a new thread, post a video and folks can give your DD some ideas she can work on to maximize her potential.
Ken