Change your APP CFG postive ramp time to 0.1s or even less. And adjust your throttle curve.
Under Hall sensors,
Sensorless erpm - 4000 or above
Hall interpolation Erpm - 300
All these should already provide good improvement.
Go to APP CFG , ADC section and Check your positive ramp time and decrease it to 0.1 or even less. And adjust your throttle curve to 15%-20% exponential. You should see acceleration improvement.