How do I speed up my iPad

Have you tried any troubleshooting?

Restart: Press On/Off button until the Slide to Power Off slider appears, select Slide to Power Off and, after It shuts down, press the On/Off button until the Apple logo appears.

Reset: Press the Home and On/Off buttons at the same time and hold them until the Apple logo appears (about 10-15 seconds).

Restore: Connect your iPhone to iTunes on your computer, backup, and then select Restore to Factory

How full is your iPad? My iPad 2 32GB wifi is running iOS9 without issue--quite well, in fact--but it has almost 20GB free space, and I tend to close unused apps when done rather than let them continue to run in the background.

Try resetting All Settings found in the Settings App under General and in the right column under Reset.

Try resetting histories and deleting/resetting caches in all of the web browsers you use.

Try turning on Reduced Motion.

This is found in the Settings App in the General tab the left panel.

In the right panel look under Accessibility, the look for Reduce Motion and turn this feature "On".

You should see an appreciable performance increase on all iPad 2, 3 and 4 models.

Try a hard reset of your iPad by holding down both the Home and sleep/wake buttons simultaneously until your iPad goes to black and restarts with Apple logo, then release the buttons.

Good Luck!

mine is 5GB used and 7GB free and runs realllllly slow after iOS 9