Why my car axio 2009 won't accelaration but rpm meter goes up.

What is your question?

Axio 2009 car accelration won't speed up but rpm meter go up as per accelration and car jerk at running after few moments.mechanic said it's problem of gearbox.what should I do.pls. let me know.

How long has your 2009 Toyota Corolla had this problem?

In one month