We can use the formula:
distance = velocity × time
We know the distance the tuna swam (9.3 meters) and its velocity (1.5 meters per second), so we can solve for the time it took:
time = distance / velocity
time = 9.3 / 1.5
time ≈ 6.2 seconds
So it took the tuna approximately 6.2 seconds to swim 9.3 meters towards Lila's fishhook.