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A new electric car is capable of accelerating from 0ms1 to 27ms1 in 2.4s.

Given below is a sample of its velocities, v(t) meters per second, at time t seconds during its path.

tv(t)000.44.70.89.31121.3151.517.3222.72.427
  1. By forming a Riemann sum of expressions of the form

    v(ti1)Δt

    find an estimate for the total distance traveled by the car.

  2. Explain the meaning of the expression

    02.4v(t)dt

Give your answer to part (a)