Final answer:
The behavior of constant criticism, speeding past cars, tailgating, and other aggressive actions while driving is known as road rage.
Step-by-step explanation:
The term used to describe a degree of aggressive driving that involves constant ridicule and criticism of other drivers, speeding past another car, tailgating, honking, yelling, and making visible insulting gestures is known as road rage. This behavior is typically a manifestation of aggression behind the wheel and can include various forms of intimidating or harmful actions directed towards other drivers. In the scenario you described, Peter's actions towards the slower-driving elderly individual would indeed classify as road rage.