What is the root-mean-square speed of four monatomic ideal gas particles that have the following velocities (written in component form \():(4.0,6.0,2.0) \mathrm{m} / \mathrm{s},(8.0,-3.0,8.0) \mathrm{m} / \mathrm{s}\), (7.0,1.0,6.0) m / s, (8.0,9.0,5.0) m / s ?