Usually, the driver putting more pressure on the accelerometer pedal.
Or taking the foot off the brake.
Or the car cresting a hill and heading downslope.
Or some cargo or a trailer coming off.
Distractions and speed.
There could be many causes to a car hesitating or not picking up speed. The fuel filter could be clogged, the fuel pump could be going out, or the computer in the car could be going bad.
while driving yur car reduces speed then pulls off with speed and backfires what can cause that
Have it checked out by a mechanic. The most likely thing is the car just needs a good tune up to replaced plugs and wires that are wearing out.
If a car is speeding up, it's initial speed is LOWER than it's final speed.
speed up
The heat from the friction of the tire rolling at a high speed on the street causes the rubber to slowly burn up.
coz your car is a wenner
It is possible it is one of the speed sensors.
the car will speed up because the reversed polarity will execute something helpful
Vehicle could have a solenoid type switch to increase idle to compensate for load on engine caused by A/C compressor
anxiety