The table below shows the temperature of a cup of tea, in degrees Celsius, recorded at 5-minute intervals after removal from a heat source. During which 5-minute interval is the average rate of temperature decrease greatest?
| Time (min) | 0 | 5 | 10 | 15 | 20 |
|---|---|---|---|---|---|
| Temperature (F) | 95 | 85 | 78 | 72 | 69 |
Between 0 and 5 minutes
Between 5 and 10 minutes
Between 10 and 15 minutes
Between 15 and 20 minutes
