Question

when is the value of acceleration negative​

Answer 1

Answer:

it is retardation or deceleration

Explanation:

i hope this helps you

Answer 2

Hey mate here is your answer!!

Explanation:

If an object is moving in the negative direction (i.e., has a negative velocity) and is speeding up. When an object is speeding up, the acceleration is in the same direction as the velocity. Thus, this object also has a negative acceleration.

hope this helps you!!