What fitness skill is associated with the rate at which strength can be used?

The skill associated with the rate at which strength can be utilized is power. Power is defined as the ability to exert maximum force in the shortest amount of time. This means that it encompasses both strength and speed; a person with high power can generate a significant amount of force quickly, making it a crucial component in many athletic activities and performance-related endeavors.

For example, in sports like weightlifting or sprinting, an athlete's ability to apply strength rapidly determines their effectiveness and efficiency. This is why training for power often includes explosive movements that require a combination of force and speed, such as plyometrics or Olympic lifts.

The other options focus on different skills: agility is the ability to move quickly and change direction efficiently; speed refers specifically to how fast one can move from one point to another; and coordination is about the harmonious functioning of different body movements. While all these skills are essential for various athletic performances, they do not directly relate to the concept of using strength at a rapid rate as power does.