What brings you down but never up?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

I have feet, but no legs. Which animal Am I?

What jumps when it walks and sits when it stands?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What do you think with the below Picture ?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?