27 kn is quite fast for a boat. A couple of days ago we went on a sailboat which was doing 5.4 kn only with the jib open at 60%. I wonder how it fares in >20 kn

27 kn is quite fast for a boat. A couple of days ago we went on a sailboat which was doing 5.4 kn only with the jib open at 60%. I wonder how it fares in >20 kn winds.