sluggish to accelerate, using all the runway to take off and sluggish to climb.
Standard on a 4000m runway using derated thrust.
After take-off it really wasn't doing anything special as far as speed increase and climb rate was concerned. For the first 10 minutes and then it was away.
Singapore SID's require 220kts until 4000', 250kts until 10,000' with climb restrictions due inbound overflying traffic.