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11 + 4 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

If s is the distance travled by a body at time t, the velocity is given by the expression:

\(\frac{{\delta t}}{{\delta s}}\)

\(\frac{{ds}}{{dt}}\)

\(\frac{{\delta s}}{{\delta t}}\)

\(\frac{{dt}}{{ds}}\)