Get proper instructions about the kites.
These kites can pull easy 200lbs with not knowing what you are doing and you will loose the battle
. You can power and depower a kite. This can help to loose pull in the kite. What is the size of the kite, the model of the kite and what year. Also what is your weight this can help us to give you better tips.
U are talking about slowing down speed? Are you on the board? The best way to slow down your speed when on the water is to butt dip!