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What determines the strip's shape is its differing areas of "energy density," they say.
"Energy density" means the stored, elastic energy that is contained in the strip as a result of the folding. Places where the strip is most bent have the highest energy density; conversely, places that are flat and unstressed by a fold have the least energy density.
The winner!
This car isn't faster than a Ferrari or Porsche, it's quicker, and for precisely the reason you mention. It's not hard to convince an electric motor to accelerate something quickly, it's not even newsworthy. Managing to create an electric car with better range and comparable high-end power, while meeting safety requirements and the needs of consumers would be an achievement.
In short, the technical problem with electric cars is one of energy density-- gasoline has extraordinary energy density and is relatively easy to store and transport efficiently. That's the technical hurdle we should be paying attention to, not this acceleration stuff.
Money may buy friendship but money cannot buy love.