title: How to create the drag and slide effect from this website?
body: <p>If you drag and release quickly from the horizontal menu, the menu will auto slide for a distance. It seems to slide more the faster you drag and release. Source -><a href="http://appear.dk/" rel="noreferrer">appear.dk</a></p>
  
  <p>How do i achieve this effect? Has it got to do with some complex formulaes?</p>