Firefighter Practice Exam 2025 - Free Firefighter Practice Questions and Study Guide

In the formula d = rt, 'r' represents the rate of speed at which an object is moving. This equation signifies that the distance (d) traveled is equal to the rate (r) multiplied by the time (t) taken. The concept of rate in this context typically refers to how quickly an object moves, often expressed in units such as miles per hour or meters per second. Understanding 'r' as the rate is crucial because it links the concepts of distance and time; knowing the rate allows one to calculate how far an object will travel over a given period.