Why does my scrolling act erratically and not at all at times

[William Remington]

When I can get my phone to scroll it goes by so quickly to the end that I can't see anything then I cannot scroll back sometimes I can't get the scroll it just selects where where my finger is first put how is this problem solved

 

[B. Diddy]

Welcome to Android Central! Which phone? Does this happen on all apps, or just certain ones?