Sluggish taking off, runs great after 2000rpm, but push gas to floor, bogs. Shifts hard.

Car starts fine, runs fine at idle. Press gas in reverse, has full power. First gear, bogs until it gets to 2000 rpm, then accelerates easier, but if you push the gas to the floor, you can feel hesitation and some wavering in the engine as if you were pressing and releasing the gas pedal minutely. When it shifts gears, automatic, it shifts hard. If feels almost as if its starting out in third gear or something when you first take off. A