Multi-WAN in 1 modem router with Multiple IP

[jcmaristela]

We have ISP with 5 ip addresses, I want to use 3 of them on pfsense as WAN, Is this setting or layout will speed up out internet? you can email jcmaristela@gmail.com for any suggestion, i am a newbie. please help!!!

adsl modem ( modem router ) 8mbps
            |
switch
|        |        |     
ip1    ip2      ip3    comclark   
|||___|   
    ___ pfsense____
    |                    | 
lan 1                lan2

suggestions!!!!