Install Apt-Fast Ubuntu

sudo add-apt-repository ppa:saiarcot895/myppa
sudo apt-get update
sudo apt-get install apt-fast

Manual
A manual install can be performed as such:

cp apt-fast /usr/bin/
chmod +x /usr/bin/apt-fast
cp apt-fast.conf /etc

You need to have aria2c installed:

apt-get install aria2

References
https://github.com/ilikenwf/apt-fast
http://www.2daygeek.com/install-apt-fast-on-ubuntu-debian-linux-mint-to/