Question

In straight line path, magnitude of velocity is equal to​

Answer 1

Magnitude of velocity is always equal to SPEED. On any kind of path.
On a straight-line path, magnitude of displacement is equal to distance.

Answer 2

Acceleration

Step-by-step explanation:

The particle is moving in a straight line. That means there’s no change in the path of the particle in the entire trip. It is moving with constant acceleration, meaning the particle doesn’t change its acceleration at all. The acceleration direction is in the same direction of instantaneous velocity