Final answer:
When preparing to exit an expressway, a driver should decelerate to adjust to the exit ramp's speed limit and road conditions. Drivers must manage speed fluctuations influenced by emotions or traffic laws for safety and compliance. Deceleration ensures a smooth transition from expressway speeds to lower speed limits.
Step-by-step explanation:
When exiting an expressway, it is important to decelerate from your current speed when preparing to exit. Deceleration involves reducing the speed of the vehicle to match the exit ramp speed limits and eventual road conditions beyond the expressway. This is equivalent to assuming that you traveled home from a party at constant rate, which in practicality may vary due to various factors.
The circumstances presented resemble various driving scenarios such as one where emotion affects speed, or the careful considerations of avoiding traffic violations due to speeding. It's vital to maintain a safe speed and adapt driving behavior to traffic laws and road conditions. This can be seen in the example where a driver relieving his frustration speeds up momentarily before slowing down. Following the guidelines for safe driving and appropriate speed adjustments is essential for not only personal safety but also compliance with traffic regulations.