How can I create bounce slider for my site?

Something like this

I believe the Slider With Calculated Result Widget is suitable for your requirement. This widget allows you to create a slider with complicated calculations. To add the widget, simply follow this guide: How to Add a Widget to your Form?

Here's a demo so you can see it in action: http://form.jotformpro.com/form/41042444921951.

If you need further assistance, please let us know.