A motorcycle begins at rest and accelerates uniformly at 7.9\,\dfrac{\text{m}}{\text{s}^2}7. 9
s
2

m

7, point, 9, start fraction, start text, m, end text, divided by, start text, s, end text, squared, end fraction. We want to find the time it takes the motorcycle to reach a speed of 100\,\dfrac{\text{km}}{\text{h}}100
h
km

100, start fraction, start text, k, m, end text, divided by, start text, h, end text, end fraction.