Relative velocity in free fall

If a person jumps out of a plane, and a few seconds later, another person jumps, why is it that the difference in their velocities stays the same? Shouldn’t it decrease because eventually, the first diver will reach maximum velocity, but the other diver will be slower at first, but then he reaches max. velocity [...]

Why the shock of alternating current is attractive ?

Why the shock of    alternating current  is   attractive ? Answer: Shock is never attractive. I have experienced shock from AC several times, but never felt any attraction. But, during a severe shock it seems that the person  is attracted by the electricity due to the fact that the electricity temporarily disables his nervous [...]