I'm getting faster! kingkong 5x4x3 3-Blade

My setup:
Frame: epiquad 210x with Epi PDB.
Motors: cobra 2206 2100kv.
Esc's: littlebee 30A.
Camera: hs1177.
Receiver: EpiRex.
Vtx: tbs unify pro HV 800mW (NEW)
Lipo: 4s zippy compact 40c 1300mAh, multistar 1400mAh 65C.
HD camera: Xiaomi Yi.
Transmitter: FrSky tarranis plus.
Props: Kingkong 5040x3. http://www.banggood.com/10-Pairs-Kingkong-5040-5x4x3-3-Blade-Single-Color-CW-CCW-Propellers-for-FPV-Racer-p-1067875.html
FPV goggles: FatShark teleporter v3.