How do you take someone out with amigos all-star ability in Sonic and Sega all-stars racing

When Amigo has he's all star, he forms a Congo line when passing a racer. The more he passes racers, the more of a chance you get to take out your opponents. When the music for Amigo finishes, the racers just flip there racing cars or bikes over, just like you would if you got hit by a rocket that targets you