Answer:

The Acceleration of  slug  would be 2 mm/hr²

Step-by-step explanation:

Initial velocity of the slug  = 3 mm/hr

Final velocity of the slug   = 5 mm/hr

Time, t = 1 hr

Acceleration, a = ?

We know,

a=(5-3)/1

a= 2mm/hr²

Therefore, The Acceleration of  slug would be 2 mm/hr²