In the absence of air friction, an object dropped near the surface of the Earth

Question

In the absence of air friction, an object
dropped near the surface of the Earth experiences a constant acceleration of about 9.8m/s^2
.
This means that the( which one of the options below is a correct statement for the question above)

1. derivative of the distance with respect to
time for the object equals 9.8 m/s^2
2. speed of the object increases 9.8 m/s during each second.
3. object falls 9.8 meters during the ?rst second
4. speed of the object as it falls is 9.8 m/s.
5. object falls 9.8 meters during each sec

Explanation / Answer

option 2 is correct

v = gt

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