16. A pumpkin rolls along with a velocity of 2.3 m/s for 5 seconds before coming to a stop. What is the pumpkin's acceleration in this time?

17. A zombie wanders 200m. He wanders for 25 seconds. What is the zombie's speed during this time?

18. A person runs from a monster with an acceleration of 3.6 m/s2 for 15s before tripping on a root and falling down. How fast was the person running before falling to a stop?

19. A witch flies through the air 15 m for 10 seconds. She stops to pet a cat for 5 seconds. The witch then flies again at 10 m for 5 seconds before reaching her cave. What is her average speed?

20. A mummy creeps along a dark scary path behind some unsuspecting victims at a velocity of 2.1m/s; the zombie speeds up with an acceleration of 0.66m/s2 to try to capture the people, and he catches them in 12 seconds. How fast did the mummy have to go to catch up with the people?

21. An astronaut on the Moon releases a rock from rest and allows it to drop straight downward. If the acceleration due to gravity on the Moon is -1.62 m/s2 and the rock falls for 2.4s before hitting the ground, what is its speed just before it lands?