* They are both vector quantities: This means they have both magnitude (size) and direction.

* They are related to motion: Both describe how an object is moving or changing its motion.

* They are measured in SI units: Velocity is measured in meters per second (m/s), and acceleration is measured in meters per second squared (m/s²).

However, they are also distinct:

* Velocity describes the rate of change of position: It tells you how fast an object is moving and in what direction.

* Acceleration describes the rate of change of velocity: It tells you how quickly the velocity of an object is changing (either in speed or direction).

In simpler terms:

* Velocity is how fast you're going.

* Acceleration is how fast you're speeding up or slowing down (or changing direction).