Taken from below lecture
gravitation force g = 9.80 meters/sec
------------
sec
Which mean if you drop an object from few hundred meters at 0 speed , after once second it's speed will be 9.80 meters per second but after another second it's speed will become double and will keep adding 9.8 meter/per second each second.
Subhan Allah this helped me find a scientific reason behind the story mentioned in Sura feel
