Gravity

I have discovered a multiple flash setting on my flash gun and have been playing with it.

This is a single water drop captured at 20 millisecond intervals as it falls. The acceleration of the droplet is clearly shown and as every physics student will tell you its at 32 feet per second per second (or perhaps 9.8 metres per second per second)

It took several attempts to get this just right. I need a more reliable method of creating drips than shaking my wet fingers!