INEOS Team UK are now genuine challengers for the America's Cup. But what updates have they make to AC75 Britannia to go from nobodies in the ACWS in Decembers to domination on the opening day of the Prada Challenge Series?

This video looks at the new tacking style, the new boom, the new mast and the aero adjustments made to AC yacht Britannia between the America's Cup World Series and the Prada Cup.