This is an exert taken from the Carving Turns: Heelside to Toeside Powered Carves video, which is part of the Progression Kitesurfing: Carving Turns Collection.
This excerpt looks out how to increase the speed and power for your turns with more aggressive kite movements.
This video also has a blog post with more information on this general:Increasing Speed and Power - Kitesurfing Carving Turns