An SUV drives on a straight-line track. Starting with a speed v = 21.9 m/s, it comes to rest over a distance d = 34.3 m. What is the SUV's acceleration during this process?
a) 0.5 m/s²
b) 1.0 m/s²
c) 1.5 m/s²
d) 2.0 m/s²

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