Why does my RPMs go high at 30mph before shifting to 2and

What is your question?

When I drive she will shift first smoothly them whe. I get to 20-30mph my RPM go realy high and I back off the gas and she shifts to 2and..... I have changed the filter the A-B solenoid the 2-3 down shift solenoid the TCC solenoid what should I do now

What makes this problem better or worse?

Nothing really

How long has your 2007 Chevrolet Trailblazer had this problem?

A couple weeks