How does speeding affect stopping distance?

Speeding significantly increases the distance required to stop safely, making this the correct response. As a vehicle travels faster, the momentum increases, which means that it requires more time and distance to come to a complete stop. The relationship between speed and stopping distance is exponential; even a small increase in speed can lead to a larger increase in the stopping distance due to the kinetic energy that needs to be overcome to halt the vehicle.

Moreover, various factors contribute to stopping distance, which includes reaction time, braking distance, and the speed at which the vehicle is moving. When a driver is speeding, not only is the actual distance to stop longer, but also the time taken for the driver to perceive a hazard and react is compounded by the increased speed. As a result, a speeding vehicle has diminished capacity to stop safely in emergency scenarios, thereby raising the risk of collisions. Understanding this principle is crucial for defensive driving, as it highlights the importance of adhering to speed limits and adjusting speed according to road conditions.