The metre per second squared (m/s²) is the standard unit of measurement for acceleration, quantifying the rate of change of velocity of an object with respect to time. It measures how quickly an object's velocity changes, expressed as a change in metres per second for every second. The symbol for metre per second squared is m/s², and it is widely used in physics, engineering, and various scientific disciplines. In practical contexts, such as vehicle performance and safety, the metre per second squared is crucial for assessing acceleration rates, braking distances, and overall dynamic behaviour. Its importance extends to scientific research and technological development, where precise measurements of acceleration are essential for understanding phenomena ranging from gravitational forces to mechanical vibrations, making the metre per second squared an indispensable unit in both everyday and advanced applications.