Taylor is running on a treadmill in preparation for a meet. She wants to run the 3000m in under 11 minutes. What speed setting must she set the treadmill to accomplish this? ​

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.