Answer:
Acceleration is a vector quantity.
Explanation:
The quantities that have both magnitude and direction are called vector quantities. Vector quantities follows the law of vector addition, subtraction, division, multiplication.
Out of the given options acceleration is a vector quantity. It has both magnitude and direction.
On the other hand, mass, speed and volume is a scalar quantity. These quantities have only magnitude.
Hence, the correct option is (A) "acceleration".
