Lasting of cryptocurrency growth is dependent on the usage and the team behind it. Some quick growth might be sustained for a long period if the team are professionally grounded to sustain the growth not to drop to an unacceptable point.
Quick growth is good for the short term investors or who want some quick money during that time and they move away from the market. But for those who want continuous rise for the along term will never prefer a short term growth as they want to invest their money for the long growth which yield them good returns year on year.