For some reason, at 0 mph when I step on the gas real hard my car goes slowly like (bububublelebublel) for a few seconds then it goes (vvvvvvrrrrrr) real fast. It will also do it right before it automatically change gears. (Like my foot pressing the pedal is normal at 45 mph-50 mph)

I think the root of it is electric? If so which component? If not whatdya folsk think?

94 Civic 150,000 miles Automatic 4 door 1.6 L