___3. A satellite orbiting Earth at a steady 31 000 km/h is an example of constant velocity. rewrite:______________________________________________________________________ ___4. A pen experiencing free fall in your classroom has an acceleration of 9.8 m/s 2 [ down]. rewrite:______________________________________________________________________ ___5. An object will slow down if its velocity and acceleration are both negative. rewrite:______________________________________________________________________ ___6. Speed can be measured in any of these units: m/ s, km/s, km/h, mm/s