Tried it twice got .2836 and .2244 http://www.bbc.co.uk/science/humanbody/sleep/sheep/reaction_version5.swf
2 tries 0.151 0.194 my fastest single one was .122 and I had 2 that were exactly the same. My 3rd attempt was 0.1858 with individual scores of .180, .185, .189, .186, .189
0.1658 average (including a 0.0000 Seconds run) Not sure what is needed to be a Turbo-charged cheetah - but I plan on finding out!