Georgia DDA 6-Hour Defensive Driver & Driver Improvement Practice Exam

Understanding the relationship between speed and the risk of death in an accident is crucial for safe driving practices. Research has shown that as speed increases, the severity of crashes tends to rise significantly. All of the statements provided reflect this principle, illustrating how drastically the risk can increase with speed.

When driving at 60 mph compared to 50 mph, studies indicate that the risk of death does indeed double. This highlights how even a seemingly small increase in speed can have severe implications in the event of a crash. Similarly, at 70 mph, the associated risk of death is about four times greater than at 50 mph, depicting a steep increase in danger. Moreover, raising the speed to 80 mph raises the risk of death to approximately eight times that of driving at 50 mph, emphasizing that higher speeds exponentially increase the likelihood of fatal outcomes in accidents.

This progression demonstrates a clear exponential relationship between speed and the risk of serious injury or death. By understanding this concept, drivers can better appreciate the safety benefits of adhering to speed limits and driving at reasonable speeds.