Exponential decay - why your fidget spinner won't spin for longer

Matt's video: https://youtu.be/OWCAlJ1vsqc

My second unlisted video: https://youtu.be/JIWcFvLwITk

I measure how the speed of a fidget spinner changes to show why it's so hard to get one to spin for substantially longer.

This is the fidget pinner I use: http://amzn.to/2sKfEGT

Here's the raw data: https://pastebin.com/raw/neb8qPg5

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