Final answer:
In the absence of air resistance, the speed of a falling object remains constant due to the lack of external forces affecting its motion.
Explanation:
In the absence of air resistance, the speed of a falling object remains constant. This is because in the absence of external forces like air resistance, there is no force acting to change the speed of the object as it falls.
For example, consider a feather falling in a vacuum chamber where there is no air resistance. The feather would fall at a constant speed as there are no forces to accelerate or decelerate its motion.
Therefore, in such ideal conditions without air resistance, the speed of a falling object does not change, and it remains constant throughout the fall.
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