Answer:
![a=6\ m/s^2](https://img.qammunity.org/2021/formulas/physics/high-school/zm9o72hux4a4i9caqtyw5hlkzmysiopk3v.png)
Step-by-step explanation:
Initial speed of a cat, u = 2m/s
It takes the cat 3 s to reach a top speed of 20 m/s.
We need to find the cat's rate of acceleration during this time. Acceleration is equal to the rate of change of velocity. So,
![a=(v-u)/(t)\\\\a=(20-2)/(3)\\\\a=6\ m/s^2](https://img.qammunity.org/2021/formulas/physics/high-school/jbksdgy6nplw4kgegndg27hm5c3geo164c.png)
So, the acceleration of the cat is
.