Related Clues:

• Go a mile a minute, say
• Blacker than black
• Rate of motion
• Go 60, say, on city streets
• A radar measurement
• Air Force One is one
• O'Hare arrival
• Shark rival
• Take a flier
• Blender variable
• Black stone
• Jacuzzi spout
• Running back's asset
• Running pace
• Nose-in-the-air model?