Your best bet would be to call around to auto salvage yards. If you find a car with a solid floor pan buy the entire car. You are unlikely to find an aftermarket outlet for this car as it is not popular.
In the UK we call it the ground floor.
Seatcovers.net specialises in custom floor mats for your car or truck. They're based in Mesa, AZ. You can go to your car dealer and ask for floor mats. They will most likely have floor mats available for sale.
By pushing the gas pedal all the way to the "floor"
Most of used car dealers throw them away. There are other more environmentally friendly ways to dispose of used car floor mats.The carpeting and rubber backing from the mats are excellent insulators. Used car floor mats could be used in the attic of a home to improve insulation.I have seen car floor mats cut into sections and used a knee protectors for gardening or construction work.Used car floor mats can also be placed on the floor of the garage to absorb leaks and spills underneath the car.
a part of a car
This you may determine for yourself, by measuring the area of floor mats; both front and back; in your car, or in a neighbour's car.
call 911 or call the nearest hospital
The acceleration of a toy car on the floor will depend on various factors such as the force applied to it, the mass of the car, and the friction between the car and the floor. In general, the acceleration will be a result of the net force acting on the car divided by its mass, according to Newton's second law of motion (F=ma).
a 'storey'
My car's floor mat needs a good beating. I'm shopping for a green floor mat.
Call a mold remediation company immediately. This is not a good situation.