Which factors make up the aspects of speed?

The factors that make up the aspects of speed are focused on the safe operation of a vehicle in relation to its environment. Legal speed limits establish a regulatory framework that drivers must adhere to, ensuring that they maintain safe speeds under different circumstances. The concept of safe speed for prevailing conditions takes into account factors such as weather, traffic, and road conditions, which can significantly affect how fast a driver should go to maintain safety. Furthermore, adjusting position relative to others involves the awareness of surrounding vehicles and pedestrians, which helps drivers make informed decisions about their speed.

Together, these elements ensure that speed is not just about how fast a vehicle can go, but about how to drive safely and responsibly in a variety of conditions. This approach emphasizes the importance of situational awareness and compliance with regulations, critical for safe driving practices. Other options presented do discuss various vehicle and environmental factors, but they do not directly address the primary considerations defining speed in terms of safety and regulation.