Possible Clues:

• 'Seems early to set a new speed record (9,4)'
• Is it too early to set a new speed record?
• Shatter personal best, perhaps, early on?
• Easter morning hour?
• It's early to set a new speed record
• It's early to establish a new speed record
• 'The awful crime of being bright at ____' (Harry Graham)
• It's never too late to set a new speed record
• Too early to set a new speed record?