Related Clues:

• 'Don't go so slow!'
• ''Get going!''
• 'Hurry up!' to a person putting on a jacket?
• ... to the thunder
• Move quickly
• "Hurry up!"
• Hop to it
• Hurry up
• Floor it!
• Speed up
• Quickly … and a hint to 17-, 24-, 45- and 55-Across
• Go great guns!
• Now!
• ''Hurry up, driver!''
• ''Hurry, driver!''