a trimaran boat with a top speed of 56 knots won thetournament cup in 2010. its

a trimaran boat with a top speed of 56 knots won thetournament cup in 2010. its top speed is 7 knots more than 3.5times the top speed of the winner monohull in 2007 tournament findthe top speed of the monohull in 2007 tournament.