One Piece Chapter 14, page 9: Chapter 14: RECKLESS

At the Buggy Pirates' base, Buggy commands, "FIRE THE BUGGY BALL!!!!" A massive cannonball is launched from the cannon. Back in the street, Luffy, Nami, and Mayor Boodle look up in absolute shock as they hear the terrifying sound of the incoming projectile, with a giant "!!!?" exclamation appearing over them.