Speed

What is a Acceleration? (a)

Definition

Acceleration measures how quickly velocity changes over time. It can be positive (speeding up), negative (slowing down), or represent a change in direction (like turning). The most common unit is meters per second squared (m/s²).

Common Uses

› Physics and kinematics
› Vehicle performance (0–60, braking)
› Motion sensors and smartphones
› Engineering and safety analysis

Converters

Acceleration Calculator → Velocity Calculator →

Key Facts

Symbol

a
Category

Speed
a = (v − u) ÷ t
1 g ≈ 9.80665 m/s²
1 m/s² = 3.6 km/h per second

Related Terms

About the Acceleration

Equivalents and conversions

a = (v − u) ÷ t
1 g ≈ 9.80665 m/s²
1 m/s² = 3.6 km/h per second

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