Write the Word or Phrase That Best Completes Each Statement

Essay

Write the word or phrase that best completes each statement or answers the question.
-ble. $$\begin{array}{l}\text { The four Galilean moons of Jupiter have orbital periods and mean distances from Jupiter given by the following }\\\begin{array} { l | c | c } & \text { Distance } ( \mathrm { km } ) & \text { Period (Earth hours) } \\\hline \text { Io } & 4.214 \times 10 ^ { 5 } & 42.460 \\\text { Europa } & 6.709 \times 10 ^ { 5 } & 85.243 \\\text { Ganymeade } & 1.070 \times 10 ^ { 6 } & 171.709 \\\text { Callisto } & 1.883 \times 10 ^ { 6 } & 400.536\end{array}\end{array}$$ Find the linear speed of each moon. Which is the fastest (in terms of linear speed)?