As the velocity of a projectile increases, does the trajectory with air resistance get closer to or further from the trajectory ignoring air resistance?

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Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

What’s #16 asking me and how do i solve it?