Final answer:
Fred exceeded the speed limit by 40 mph, which led to a speeding ticket due to the violation of traffic laws that set the maximum legal driving speed.
Step-by-step explanation:
Fred was driving significantly over the posted speed limit, which resulted in him receiving a speeding ticket. In most jurisdictions, exceeding the speed limit by such a large margin can lead to hefty fines, points on one's license, and possible court appearances. The law is quite clear that the speed limit signs indicate the maximum legal speed one can drive under ideal conditions, which is known as the de jure speed limit. However, the actual speed at which drivers are cited, often referred to as the de facto speed limit, can vary depending on enforcement discretion and local regulations. Unfortunately for Fred, driving at 75 mph in a 35 mph zone is well beyond the threshold of typical enforcement leeway and is generally considered to be reckless driving, thus justifying the traffic citation.