Question

Explain a situation in which you can accelerate even though your speed doesn't change

Answer 1

You can accelerate by changing direction, even though you don't speed up/down. Remember that acceleration is a vector so, it has a direction and a magnitude. That's why this works! Hope it helps.

Answer 2

-- Walk a circle around a tree at a steady speed.

-- Drive at a steady speed around a curved piece of road.