An object is dropped from the top of a building with a height of $25\,\text{m}$. Air resistance can be ignored. Determine the speed of the object as it reaches the ground.
- A$10\,\text{m s}^{-1}$
- B$22\,\text{m s}^{-1}$
- C$25\,\text{m s}^{-1}$
- D$625\,\text{m s}^{-1}$