Hello could you provide detailed information to answer these questions.

what happens when a 6 meter long string with washers tied every 1/2 a meter along its length is dropped.

Link needed: https://youtu.be/9FHgANGofYA

1. Explain why the washers don't strike the ground at even intervals, despite being tied to the string exactly 0.5 meters apart from each other.

2. Describe (specifically and in detail) how you would make a string of washers that would strike the ground at even intervals.