Anybody know where I can look for what is taking long in this rails action?

nearby.log

Parameters: {"auth_token"=>"2Sq2-Wo4_I0PeIu_OeRR", "options"=>{"lat"=>"33.465199999999996", "lng"=>"-111.92419833333334", "of_each"=>"15"}}
Geokit is using the domain: localhost
  Location Load (9.5ms)  SELECT locations.*, distance(coordinates, ST_GeomFromText('POINT(33.4657 -111.9229)')) distance FROM "locations" WHERE (nearby_categories & 1 <> 0) AND (coordinates && Expand( ST_GeomFromText('POINT(33.465199999999996 -111.92419833333334)'), 0.005)) ORDER BY distance ASC LIMIT 50 OFFSET 0
  Location Load (3.5ms)  SELECT locations.*, distance(coordinates, ST_GeomFromText('POINT(33.4657 -111.9229)')) distance FROM "locations" WHERE (nearby_categories & 2 <> 0) AND (coordinates && Expand( ST_GeomFromText('POINT(33.465199999999996 -111.92419833333334)'), 0.005)) ORDER BY distance ASC LIMIT 50 OFFSET 0
  Location Load (3.4ms)  SELECT locations.*, distance(coordinates, ST_GeomFromText('POINT(33.4657 -111.9229)')) distance FROM "locations" WHERE (nearby_categories & 4 <> 0) AND (coordinates && Expand( ST_GeomFromText('POINT(33.465199999999996 -111.92419833333334)'), 0.005)) ORDER BY distance ASC LIMIT 50 OFFSET 0
  Location Load (2.6ms)  SELECT locations.*, distance(coordinates, ST_GeomFromText('POINT(33.4657 -111.9229)')) distance FROM "locations" WHERE (nearby_categories & 8 <> 0) AND (coordinates && Expand( ST_GeomFromText('POINT(33.465199999999996 -111.92419833333334)'), 0.005)) ORDER BY distance ASC LIMIT 50 OFFSET 0
  User Load (1.5ms)  SELECT "users".* FROM "users" WHERE ("users"."id" = 46) LIMIT 1
  Favorite Load (0.7ms)  SELECT "favorites".* FROM "favorites" WHERE ("favorites".user_id = 46)
  UserRankReward Load (0.7ms)  SELECT "user_rank_rewards".* FROM "user_rank_rewards" WHERE ("user_rank_rewards".user_id = 46)
Completed 200 OK in 6128ms (Views: 71.1ms | ActiveRecord: 45.4ms)

I think it is the AR load...