Brainteaser iconBrainteaser - Pirates and Pistols

Pirates and Pistols
Serena the Swift, a 19th-century pirate, wields an antique flintlock pistol that can fire 6 shots before needing to be reloaded. When she unloads all 6 shots in succession, the time between the first shot and the last is 60 seconds. How long would it take her to fire 3 shots?