How is a pace conducted by an officer?

A pace is a method that law enforcement officers use to determine the speed of a vehicle by matching the speed of the suspect vehicle. When an officer conducts a pace, they drive their patrol vehicle at the same speed as the vehicle in question, often utilizing the speedometer to ensure they are accurately maintaining that speed. This technique allows officers to gauge how fast the suspect vehicle is traveling based on their own speed readings.

In contrast, other options describe different methods for measuring speed. Using radar is a distinct technique where officers employ a radar device to measure the speed of vehicles, providing a precise speed reading. Following the vehicle from a fixed distance is not an accurate or standardized method for determining speed, as it lacks the precise control necessary for pacing. Lastly, visual estimation of speed relies on the officer's judgment about how fast a vehicle is going rather than any objective measurement, which can be less reliable than the pacing method.

Overall, the explanation clarifies the correct answer by highlighting how pacing requires direct matching of speeds, thereby allowing the officer to make an informed assessment of the suspect vehicle's speed.